1. Software Development

A tool for profiling macOS and iOS applications using Instruments and xctrace, addressing binary selection, CLI arguments, and common issues.

Generates codebase area context skills for rapid navigation using auto-detection, templates, and manual updates.

Generates NixOS VM-based integration tests with OpenTelemetry observability for system-level testing of daemons, networking, and NixOS features.

Guides frontend development implementation using Next.js, React, and Tanstack Query for efficient application building.

Designs command-line interface specifications including arguments, flags, subcommands, and UX patterns for consistency and discoverability in software development.

Provides architectural guidelines for backend systems using 4-layered architecture, Repository pattern, and Result type pattern.

Provides implementation guidelines for building type-safe APIs using Hono framework and Zod schema validation in TypeScript.

Provides design principles and implementation guidelines for creating reusable and maintainable React components.

Analyzes native app performance using command-line tools for profiling, hotspot identification, and optimization without the Instruments UI.

Executes Git commits and pushes following split commit rules as defined in project guidelines, ensuring structured version control.

Defines a standardized output format for sub-agents to ensure consistent data structure and interoperability in multi-agent systems.

Resolves Git merge/rebase conflicts with support for stash and cherry-pick operations.

Gathers contextual requirements from issue text, user instructions, and code when specifications are missing, and clarifies ambiguities via user questions.

Develops and manages Claude Code skills using Anthropic best practices, covering trigger patterns, hooks, and debugging.

Automates the build, test, and NPM publication process for the @einja/cli package.

Guides developers in integrating completed, tested code by presenting structured options for next steps in the development workflow.

Enables creation of custom plugins for Space Engineers version 1, supporting game modding and extension development.

Automates building, testing, and publishing the create-einja-app package to NPM for release management.

Enables development of in-game scripts for Space Engineers' programmable blocks to automate functions and logic within the game environment.

Executes mandatory automated tests, acceptance criteria verification, and functional checks, recording results in qa-tests/.

Enables creation and management of mods for the Space Engineers game, version 1.

Provides access to decompiled C# source code for Space Engineers version 1, enabling developers to analyze and modify game logic.

Automates local codebase review for bugs and CLAUDE.md compliance using multi-agent analysis.

Provides language-specific refactoring guidance to remove code duplicates and consolidate repeated logic, following DRY principles.